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Can't adjust backlight by keyboard since kernel 3.14.x
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kendling
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Joined: 30 Apr 2015
Posts: 3

PostPosted: Thu Apr 30, 2015 4:04 am    Post subject: Can't adjust backlight by keyboard since kernel 3.14.x Reply with quote

Hey guys,

Can't adjust backlight by keyboard since kernel 3.14.x on my lenovo K29.

I was try recompile kernel 3.12, it work nice with "acpi_backlight=vendor" kernel commandline.

I was try this with same kernel config file:

gentoo-sources 3.12.x work
gentoo-sources 3.14.x NOT!!
gentoo-sources 3.17.x NOT!!
gentoo-sources 3.18.x NOT!!
kernel.org 3.14.4 work
kernel.org 3.14.6 work
kernel.org 3.14.20 work
kernel.org 3.14.30 work
kernel.org 3.14.39 work

Is the gentoo patchset make this problem?

Tell me if need some debug information.

Thanks all.
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